////////////////////////////////////////////////////////////////////////////////
// Copyright 2005 CORE Solutions Limited
// All rights reserved.
// PROPRIETARY AND CONFIDENTIAL INFORMATION.
// Use is subject to license terms.
//
// FUNCTION ID      :   TASK
// AUTHOR           :   Ric Yik 
// DATE CREATE      :   2005/12/29
// DESCRIPTION      :   a DAO file for the function, TASK
//                  :   
//                  :   
//                  :   
//
// MODIFICATION HISTORY:
// DATE         AUTHOR          VERSION NO.         COMMENT
// -----------  --------------  ------------------  -------------------
// 2005/12/29   Ric Yik         1.0                 source is generated.
//
//
//
////////////////////////////////////////////////////////////////////////////////

package com.erp.app.setup.taskMaster.dao;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;

import com.erp.app.common.ProjectConstants;
import com.erp.app.setup.taskMaster.criteria.TaskHdrSrchCriteria;
import com.erp.app.setup.taskMaster.pk.TaskHdrPk;
import com.erp.app.setup.taskMaster.vo.TaskHdrVo;
import com.erp.framework.exceptions.FindRecordException;
import com.erp.framework.model.criteria.SimpleBaseSrchCriteria;
import com.erp.framework.model.dao.SimpleSearchMaintStyleDao;
import com.erp.framework.model.vo.ChildList;
import com.erp.framework.model.vo.SimpleBaseVo;
import com.erp.framework.types.CustomSqlDate;

/**
* <p>A <strong>DAO</strong>(Data Access Object) abstracts and encapsulates
* all access to the persistent store.  The DAO manages the connection with the
* data source to obtain and store data.  Also, the DAO implements
* the access mechanism required to work with the data source,
* and always provides a uniform API to its clients.
*
* @author          Ric Yik 
* @version 1.0     2005/12/29
* @since           FrameWork 1.0
*
*/
public class TaskHdrDao extends SimpleSearchMaintStyleDao {

	/**
	* Returns the SQL select statement.
	* @param         obj     the searching criteria
	* @return        a string containing sql query
	*
	* @author     Ric Yik 
	* @since      FrameWork 1.0
	*/
	protected String sqlQuery(SimpleBaseSrchCriteria obj) {

		TaskHdrSrchCriteria criteria = (TaskHdrSrchCriteria) obj;
		String whereClause = toWhereClause(criteria);
		String groupByClause = "";
		String orderByClause = "ORDER BY COMPANY_CODE, DOC_TYPE";
        String sql = null;
		if(!criteria.isSearchResult()){
			sql = "SELECT COMPANY_CODE, DOC_TYPE, DOC_DESC, STATUS, DC_IND, "
    			+ "DC_DATE, CREATE_USER, CREATE_DATE, UPDATE_USER, UPDATE_DATE "
    			+ "FROM T_TASK_HDR "
    			+ whereClause
    			+ groupByClause
    			+ orderByClause;
		} else {
            sql = "SELECT COMPANY_CODE, DOC_TYPE, DOC_DESC "
                + "FROM T_TASK_HDR "
                + whereClause
                + groupByClause
                + orderByClause;
		}
		//super.logSqlQuery(sql);
		return sql;
	}

	/**
	* Returns the where clause of a SQL select statement.
	* @param         obj     the searching criteria
	* @return        a string containing the where clause
	*
	* @author     Ric Yik 
	* @since      FrameWork 1.0
	*/
	protected String toWhereClause(TaskHdrSrchCriteria crit) {

		TaskHdrSrchCriteria criteria = (TaskHdrSrchCriteria) crit;
		StringBuffer whereClause = new StringBuffer();

        if (criteria.getSrchCompanyCode() != null) {
            whereClause.append(whereClause.length() == 0 ? "WHERE " : "AND ");
            whereClause.append("COMPANY_CODE = '" + criteria.getSrchCompanyCode().trim().toUpperCase() + "' ");
        }

        if (criteria.getSrchDocTypeFr() != null) {
            whereClause.append(whereClause.length() == 0 ? "WHERE " : "AND ");
            whereClause.append("DOC_TYPE = '" + criteria.getSrchDocTypeFr().trim().toUpperCase() + "' ");
        }
        if (criteria.getSrchDocDescFr() != null) {
            whereClause.append(whereClause.length() == 0 ? "WHERE " : "AND ");
            whereClause.append("UPPER(DOC_DESC) LIKE '%" + criteria.getSrchDocDescFr().trim().toUpperCase() + "%' ");
        }

		return whereClause.toString();
	}

	/**
	* Returns an array list of child VOs by the parent
	* @param         parent   the incoming parent VO
	* @param         conn     the database connection
	* @return        an array list of child VOs
	*
	* @author     Ric Yik 
	* @since      FrameWork 1.0
	*/
	public ChildList selectByParent(SimpleBaseVo parent, Connection conn)
		throws FindRecordException {

		return null;
	}

	/**
	* Constructs a string of SQL insert statement
	* @return        a string of SQL insert statement
	*
	* @author     Ric Yik 
	* @since      FrameWork 1.0
	*/
	protected String sqlInsert() {

		String sql = "INSERT INTO T_TASK_HDR ("
			+ "COMPANY_CODE, DOC_TYPE, DOC_DESC, STATUS, DC_IND, "
			+ "DC_DATE, CREATE_USER, CREATE_DATE, UPDATE_USER, UPDATE_DATE) "
			+ "VALUES ("
			+ "?, ?, ?, ?, 'NO', "
			+ "?, ?, SYSDATE, ?, ?"
			+ ")";

		//super.logSqlQuery(sql);
		return sql;
	}

	/**
	* Sets the values for a SQL insert or update statement.
	* @param         pStmt   the incoming prepared statement
	* @param         obj     the incoming VO
	*
	* @author     Ric Yik 
	* @since      FrameWork 1.0
	*/
	protected void setValuesForInsertAndModify(PreparedStatement pStmt, Object obj, String opType)
		throws SQLException {

		TaskHdrVo vo = (TaskHdrVo) obj;
		int i = 1;

		pStmt.setString(i++, vo.getCompanyCode());
		pStmt.setString(i++, vo.getDocType());
		setNullableString(pStmt, i++, vo.getDocDesc());
		setNullableString(pStmt, i++, vo.getStatus());

		if (ProjectConstants.DB_OP_UPDATE.equals(opType))
			setNullableString(pStmt, i++, vo.getDcInd());
		setNullableDate(pStmt, i++, vo.getDcDate());
		setNullableString(pStmt, i++, vo.getCreateUser());

		if (ProjectConstants.DB_OP_UPDATE.equals(opType))
			setNullableTimestamp(pStmt, i++, vo.getCreateDate());

		setNullableString(pStmt, i++, vo.getUpdateUser());

		if (ProjectConstants.DB_OP_INSERT.equals(opType))
			setNullableTimestamp(pStmt, i++, vo.getUpdateDate());

		if(ProjectConstants.DB_OP_UPDATE.equals(opType)){
			pStmt.setString(i++, vo.getCompanyCode());
			pStmt.setString(i++, vo.getDocType());
			setNullableTimestamp(pStmt, i++, vo.getUpdateDate());
		}
	}

	/**
	* Sets the values for a SQL insert statement.
	* @param         pStmt   the incoming prepared statement
	* @param         obj     the incoming VO
	*
	* @author     Ric Yik 
	* @since      FrameWork 1.0
	*/
	protected void setValuesForInsert(PreparedStatement pStmt, Object obj)
		throws SQLException {

		setValuesForInsertAndModify(pStmt, obj, ProjectConstants.DB_OP_INSERT);
	}

	/**
	* Constructs a string of SQL update statement
	* @return        a string of SQL update statement
	*
	* @author     Ric Yik 
	* @since      FrameWork 1.0
	*/
	protected String sqlUpdate() {

		String sql = "UPDATE T_TASK_HDR SET COMPANY_CODE=?, DOC_TYPE=?, DOC_DESC=?, STATUS=?, DC_IND=?, "
			+ "DC_DATE=?, CREATE_USER=?, CREATE_DATE=?, UPDATE_USER=?, UPDATE_DATE=SYSDATE "
			+ "WHERE COMPANY_CODE=? AND DOC_TYPE=? "
			+ "AND (UPDATE_DATE IS NULL OR UPDATE_DATE = ?) ";

		//super.logSqlQuery(sql);
		return sql;
	}

	/**
	* Sets the values for a SQL update statement.
	* @param         pStmt   the incoming prepared statement
	* @param         obj     the incoming VO
	*
	* @author     Ric Yik 
	* @since      FrameWork 1.0
	*/
	protected void setValuesForModify(PreparedStatement pStmt, Object obj)
		throws SQLException {

		setValuesForInsertAndModify(pStmt, obj, ProjectConstants.DB_OP_UPDATE);
	}

	/**
	* Constructs a string of SQL delete statement
	* @return        a string of SQL update statement
	*
	* @author     Ric Yik 
	* @since      FrameWork 1.0
	*/
	protected String sqlDelete() {
		String sql = "DELETE FROM T_TASK_HDR WHERE COMPANY_CODE=? AND DOC_TYPE=? ";

		//super.logSqlQuery(sql);
		return sql;
	}

	/**
	* Sets the values for a SQL delete statement.
	* @param         pStmt   the incoming prepared statement
	* @param         obj     the incoming VO
	*
	* @author     Ric Yik 
	* @since      FrameWork 1.0
	*/
	protected void setValuesForDelete(PreparedStatement pStmt, Object obj)
		throws SQLException {

		TaskHdrVo vo = (TaskHdrVo) obj;
		int i = 1;

		pStmt.setString(i++, vo.getCompanyCode());
		pStmt.setString(i++, vo.getDocType());
	}

	/**
	* Constructs a string of SQL select statement
	* @return        a string of SQL select statement
	*
	* @author     Ric Yik 
	* @since      FrameWork 1.0
	*/
	protected String sqlFind() {
        String sql = "SELECT COMPANY_CODE, DOC_TYPE, DOC_DESC, STATUS, DC_IND, "
            + "DC_DATE, CREATE_USER, CREATE_DATE, UPDATE_USER, UPDATE_DATE "
            + "FROM T_TASK_HDR "
            + "WHERE COMPANY_CODE=? AND DOC_TYPE=? "
            + "ORDER BY COMPANY_CODE, DOC_TYPE"; 
        this.logSqlQuery(sql);
        return sql;
	}

    /**
	* Sets the values for a SQL select statement for finding by primary key.
	* @param         pStmt   the incoming prepared statement
	* @param         obj     the incoming PK
	*
	* @author     Ric Yik 
	* @since      FrameWork 1.0
	*/
	protected void setValuesForFind(PreparedStatement pStmt, Object obj)
		throws SQLException {

		TaskHdrPk pk = (TaskHdrPk) obj;
		int i = 1;
		pStmt.setString(i++, pk.getCompanyCode());
		pStmt.setString(i++, pk.getDocType());
	}

	/**
	* Constructs a string of SQL select statement
	* @return        a string of SQL select statement
	*
	* @author     Ric Yik 
	* @since      FrameWork 1.0
	*/
	protected String sqlList() {

		return null;
	}

	/**
	* Sets the values for a SQL select statement for finding child tables.
	* @param         pStmt   the incoming prepared statement
	* @param         obj     the incoming parent PK
	*
	* @author     Ric Yik 
	* @since      FrameWork 1.0
	*/
	protected void setValuesForList(PreparedStatement pStmt, Object obj)
		throws SQLException {

	}

	/**
	* Sets the values of a result set to a vo for a search screen
	* @param         rs   the incoming result set
	* @return        a vo containing the result set values
	*
	* @author     Ric Yik 
	* @since      FrameWork 1.0
	*/
	protected SimpleBaseVo getSearchResultSetValues(ResultSet rs) throws SQLException {
        TaskHdrVo vo = new TaskHdrVo();
        vo.setCompanyCode(rs.getString("COMPANY_CODE"));
        vo.setDocType(rs.getString("DOC_TYPE"));
        vo.setDocDesc(rs.getString("DOC_DESC"));
		return vo;
	}

	/**
	* Sets the values of a result set to a vo
	* @param         rs   the incoming result set
	* @return        a vo containing the result set values
	*
	* @author     Ric Yik 
	* @since      FrameWork 1.0
	*/
	protected SimpleBaseVo getResultSetValues(ResultSet rs) throws SQLException {

		TaskHdrVo vo = new TaskHdrVo();

		vo.setCompanyCode(rs.getString("COMPANY_CODE"));
		vo.setDocType(rs.getString("DOC_TYPE"));
		vo.setDocDesc(rs.getString("DOC_DESC"));
		vo.setStatus(rs.getString("STATUS"));
		vo.setDcInd(rs.getString("DC_IND"));
		vo.setDcDate(CustomSqlDate.customize(rs.getDate("DC_DATE")));
		vo.setCreateUser(rs.getString("CREATE_USER"));
		vo.setCreateDate(rs.getTimestamp("CREATE_DATE"));
		vo.setUpdateUser(rs.getString("UPDATE_USER"));
		vo.setUpdateDate(rs.getTimestamp("UPDATE_DATE"));

		return vo;
	}

}
